More than 100 venues will create Wellington-themed meal and drink pairings, or host their own unique event.
Rigorous drug searching processes caused the long wait times.
The trust said it risked being declared bankrupt if the event had to be cancelled last-minute.
This year Auckland Diwali Festival is being celebrated at more than 30 community venues.
"Gender inclusivity is important in music, as it is in everything else."
"The unexpected, that's what they can expect."